def transform(self, ocs: OCSTransform, elevation: float) -> None:
self.control_points = list(
ocs.transform_2d_vertex(v, elevation) for v in self.control_points
)
self.fit_points = list(
ocs.transform_2d_vertex(v, elevation) for v in self.fit_points
)
if self.start_tangent is not None:
t = Vec3(self.start_tangent).replace(z=elevation)
self.start_tangent = ocs.transform_direction(t).vec2
if self.end_tangent is not None:
t = Vec3(self.end_tangent).replace(z=elevation)
self.end_tangent = ocs.transform_direction(t).vec2
def transform(self, m: Matrix44) -> 'Text':
""" Transform TEXT entity by transformation matrix `m` inplace.
.. versionadded:: 0.13
"""
dxf = self.dxf
if not dxf.hasattr('align_point'):
dxf.align_point = dxf.insert
ocs = OCSTransform(self.dxf.extrusion, m)
dxf.insert = ocs.transform_vertex(dxf.insert)
dxf.align_point = ocs.transform_vertex(dxf.align_point)
old_rotation = dxf.rotation
new_rotation = ocs.transform_deg_angle(old_rotation)
x_scale = ocs.transform_length(Vec3.from_deg_angle(old_rotation))
y_scale = ocs.transform_length(
Vec3.from_deg_angle(old_rotation + 90.0))
if not ocs.scale_uniform:
oblique_vec = Vec3.from_deg_angle(
old_rotation + 90.0 - dxf.oblique)
new_oblique_deg = new_rotation + 90.0 - ocs.transform_direction(
oblique_vec).angle_deg
dxf.oblique = new_oblique_deg
y_scale *= math.cos(math.radians(new_oblique_deg))
dxf.width *= x_scale / y_scale
dxf.height *= y_scale
dxf.rotation = new_rotation
if dxf.hasattr('thickness'): # can be negative
dxf.thickness = ocs.transform_length((0, 0, dxf.thickness),
reflection=dxf.thickness)
dxf.extrusion = ocs.new_extrusion
return self
